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intrinsics: unify rint, roundeven, nearbyint in a single round_ties_even intrinsic

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This commit is contained in:
Ralf Jung 2025-02-04 15:15:28 +01:00
parent 019fc4de2f
commit 04e7a10af6
13 changed files with 111 additions and 208 deletions
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16
compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
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@ -340,14 +340,10 @@ fn codegen_float_intrinsic_call<'tcx>(
sym::ceilf64 => ("ceil", 1, fx.tcx.types.f64, types::F64),
sym::truncf32 => ("truncf", 1, fx.tcx.types.f32, types::F32),
sym::truncf64 => ("trunc", 1, fx.tcx.types.f64, types::F64),
sym::rintf32 => ("rintf", 1, fx.tcx.types.f32, types::F32),
sym::rintf64 => ("rint", 1, fx.tcx.types.f64, types::F64),
sym::round_ties_even_f32 => ("rintf", 1, fx.tcx.types.f32, types::F32),
sym::round_ties_even_f64 => ("rint", 1, fx.tcx.types.f64, types::F64),
sym::roundf32 => ("roundf", 1, fx.tcx.types.f32, types::F32),
sym::roundf64 => ("round", 1, fx.tcx.types.f64, types::F64),
sym::roundevenf32 => ("roundevenf", 1, fx.tcx.types.f32, types::F32),
sym::roundevenf64 => ("roundeven", 1, fx.tcx.types.f64, types::F64),
sym::nearbyintf32 => ("nearbyintf", 1, fx.tcx.types.f32, types::F32),
sym::nearbyintf64 => ("nearbyint", 1, fx.tcx.types.f64, types::F64),
sym::sinf32 => ("sinf", 1, fx.tcx.types.f32, types::F32),
sym::sinf64 => ("sin", 1, fx.tcx.types.f64, types::F64),
sym::cosf32 => ("cosf", 1, fx.tcx.types.f32, types::F32),
@ -399,8 +395,8 @@ fn codegen_float_intrinsic_call<'tcx>(
| sym::ceilf64
| sym::truncf32
| sym::truncf64
| sym::nearbyintf32
| sym::nearbyintf64
| sym::round_ties_even_f32
| sym::round_ties_even_f64
| sym::sqrtf32
| sym::sqrtf64 => {
let val = match intrinsic {
@ -408,7 +404,9 @@ fn codegen_float_intrinsic_call<'tcx>(
sym::floorf32 | sym::floorf64 => fx.bcx.ins().floor(args[0]),
sym::ceilf32 | sym::ceilf64 => fx.bcx.ins().ceil(args[0]),
sym::truncf32 | sym::truncf64 => fx.bcx.ins().trunc(args[0]),
sym::nearbyintf32 | sym::nearbyintf64 => fx.bcx.ins().nearest(args[0]),
sym::round_ties_even_f32 | sym::round_ties_even_f64 => {
fx.bcx.ins().nearest(args[0])
}
sym::sqrtf32 | sym::sqrtf64 => fx.bcx.ins().sqrt(args[0]),
_ => unreachable!(),
};